Sep 6, 2023 · Νέα και ειδήσεις από την Κύπρο και τον κόσμο. Aug 1, 2023 · Variables in PHP are represented by a dollar sign followed by the name of the variable. The variable name is case-sensitive. Variable names follow the same rules as other labels in PHP. A valid variable name starts with a letter or underscore, followed by any number of letters, numbers, or underscores. Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details.Aug 1, 2023 · However, PHP Manual is not listed "(" and ")" in precedence list. It looks like "(" and ")" has higher precedence as it should be. Note: If you write following code, you would need "()" to get expected value. PHP is an open-source, interpreted, and object-oriented scripting language that can be executed at the server-side. PHP is well suited for web development. Therefore, it is used to develop web applications (an application that executes on the server and generates the dynamic page.). PHP was created by Rasmus Lerdorf in 1994 but appeared in the ...PHP can create, open, read, write, delete, and close files on the server. PHP can collect form data. PHP can send and receive cookies. PHP can add, delete, modify data in your database. PHP can be used to control user-access. PHP can encrypt data. With PHP you are not limited to output HTML. You can output images or PDF files.PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format.Sep 6, 2023 · Νέα και ειδήσεις από την Κύπρο και τον κόσμο. A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables:PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ».PHP Version: 4+ PHP Changelog: PHP 7.2: The headers parameter also accepts an array PHP 5.4: Added header injection protection for the headers parameter. PHP 4.3.0: (Windows only) All custom headers (like From, Cc, Bcc and Date) are supported, and are not case-sensitive. PHP 4.2.3: The parameter parameter is disabled in safe modePHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now » Easy Learning with "PHP Tryit"Dec 23, 2022 · The Definitive PHP 7.2, 7.3, 7.4, 8.0, and 8.1 Benchmarks (2023) The year 2021 has been highly eventful for PHP ( and Kinsta ). PHP 8.0 is already a year old, and the much-anticipated PHP 8.1 was released on November 25, 2021, bringing many exciting features. You can catch up on all the latest PHP 8.1 features in our in-depth post. PHP's behaviour when using more than one unparenthesized ternary operator within a single expression is non-obvious compared to other languages. Indeed prior to PHP 8.0.0, ternary expressions were evaluated left-associative, instead of right-associative like most other programming languages.Dec 23, 2022 · The Definitive PHP 7.2, 7.3, 7.4, 8.0, and 8.1 Benchmarks (2023) The year 2021 has been highly eventful for PHP ( and Kinsta ). PHP 8.0 is already a year old, and the much-anticipated PHP 8.1 was released on November 25, 2021, bringing many exciting features. You can catch up on all the latest PHP 8.1 features in our in-depth post. PHP: PHP 8.0.0 Release Announcement. PHP 8.1.23 Released! Change language: Released! PHP 8.0 is a major update of the PHP language. It contains many new features and optimizations including named arguments, union types, attributes, constructor property promotion, match expression, nullsafe operator, JIT, and improvements in the type system ... worth reading for people learning about php and programming: (adding extras <?php ?> to get highlighted code) about the following example in this page manual: Example#1 Logical operators illustratedAssignment Operators. ¶. The basic assignment operator is "=". Your first inclination might be to think of this as "equal to". Don't. It really means that the left operand gets set to the value of the expression on the right (that is, "gets set to"). The value of an assignment expression is the value assigned.MySQL is a database system used on the web. MySQL is a database system that runs on a server. MySQL is ideal for both small and large applications. MySQL is very fast, reliable, and easy to use. MySQL uses standard SQL. MySQL compiles on a number of platforms. MySQL is free to download and use. MySQL is developed, distributed, and supported by ...PHP supports C-style pre- and post-increment and decrement operators. Note: The increment/decrement operators only affect numbers and strings. Arrays, objects, booleans and resources are not affected. Decrementing null values has no effect too, but incrementing them results in 1. Increment/decrement Operators.MySQL is a database system used on the web. MySQL is a database system that runs on a server. MySQL is ideal for both small and large applications. MySQL is very fast, reliable, and easy to use. MySQL uses standard SQL. MySQL compiles on a number of platforms. MySQL is free to download and use. MySQL is developed, distributed, and supported by ... This package was approved as a trusted package on 30 Aug 2023. Description. PHP is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly.Dec 23, 2022 · The Definitive PHP 7.2, 7.3, 7.4, 8.0, and 8.1 Benchmarks (2023) The year 2021 has been highly eventful for PHP ( and Kinsta ). PHP 8.0 is already a year old, and the much-anticipated PHP 8.1 was released on November 25, 2021, bringing many exciting features. You can catch up on all the latest PHP 8.1 features in our in-depth post. Aug 1, 2023 · PHP tags. When PHP parses a file, it looks for opening and closing tags, which are <?php and ?> which tell PHP to start and stop interpreting the code between them. . Parsing in this manner allows PHP to be embedded in all sorts of different documents, as everything outside of a pair of opening and closing tags is ignored by the PHP par Aug 1, 2023 · Assignment Operators. ¶. The basic assignment operator is "=". Your first inclination might be to think of this as "equal to". Don't. It really means that the left operand gets set to the value of the expression on the right (that is, "gets set to"). The value of an assignment expression is the value assigned. PHP Operators. Operators are used to perform operations on variables and values. PHP divides the operators in the following groups: Arithmetic operators. Assignment operators. Comparison operators. Increment/Decrement operators. Logical operators. String operators.Apr 24, 2023 · PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format. PHP: Hypertext Preprocessor. popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. What's new in 8.2 Download. 8.2.9 · Changelog · Upgrading.Aug 18, 2023 · Step 1- Create a HTML PHP Login Form. Step 2: Create a CSS Code for Website Design. View More. In today's digital age, the importance of online security cannot be ignored. As a result, creating a login form is an essential feature for any website that requires user authentication. The following is a guide on creating a login form in PHP. There are two main ways to install PHP on a Windows®-based computer: download the Windows Installer or use the Windows Zip file from the PHP Web site. Either method will get PHP working, but both have some extra steps that are needed to make PHP work well. Windows InstallerAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... pub 2048R/31CBD89E 2016-12-08 Key fingerprint = 5289 95BF EDFB A719 1D46 839E F9BA 0ADA 31CB D89E uid Joe Watkins <[email protected]> pub rsa4096 2021-04-26 [SC] [expires: 2025-11-24] 39B6 4134 3D8C 104B 2B14 6DC3 F9C3 9DC0 B969 8544 uid [ultimate] Ben Ramsey <[email protected]> sub rsa4096 2021-04-26 [E] [expires: 2025-11-24] pub rsa4096 2021-04-01 [SC] F1F6 9223 8FBC 1666 E5A5 CCD4 199F 9DFE F6FF ...It would appear that in php the increment in the left side of the assignment is processed prior to processing the right side of the assignment, whereas in C, neither increment occurs until after the assignment.PHP's behaviour when using more than one unparenthesized ternary operator within a single expression is non-obvious compared to other languages. Indeed prior to PHP 8.0.0, ternary expressions were evaluated left-associative, instead of right-associative like most other programming languages.Aug 1, 2023 · PHP 8.3.0 RC 1 available for testing. Predefined Variables. Predefined Exceptions. Predefined Interfaces and Classes. Predefined Attributes. Supported Protocols and Wrappers. Variable and Type Related Extensions. "MyClass::myFunc () ""OtherClass::myFunc () ". A class constant, class property (static), and class function (static) can all share ... A PHP framework is a platform to create PHP web applications. PHP frameworks provide code libraries for commonly used functions, cutting down on the amount of original code you need to write. There are many good reasons for using PHP frameworks as opposed to coding from scratch. Because PHP frameworks have built-in libraries and tools, the time ...Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial.PHP: PHP 8.0.0 Release Announcement. PHP 8.1.23 Released! Change language: Released! PHP 8.0 is a major update of the PHP language. It contains many new features and optimizations including named arguments, union types, attributes, constructor property promotion, match expression, nullsafe operator, JIT, and improvements in the type system ...Jan 14, 2021 · Check PHP Version by Running PHP Code. The simplest method to determine the PHP version running on your website is executing a PHP file that contains the following code: <?php echo 'PHP version: ' . phpversion(); Create the file using a text editor like gedit or Notepad, and upload it to your website’s document root directory. Select Data From a MySQL Database. The SELECT statement is used to select data from one or more tables: SELECT column_name (s) FROM table_name. or we can use the * character to select ALL columns from a table: SELECT * FROM table_name. To learn more about SQL, please visit our SQL tutorial.Dec 8, 2021 · 7 Min Read. PHP (Hypertext Preprocessor) is known as a general-purpose scripting language that can be utilized to create intuitive and dynamic websites. It was among the pioneer server-side language that can be integrated into HTML, making it easier to include functionality to web pages without requiring to call external data. Aug 1, 2023 · Description ¶. $_SERVER is an array containing information such as headers, paths, and script locations. The entries in this array are created by the web server, therefore there is no guarantee that every web server will provide any of these; servers may omit some, or provide others not listed here. However, most of these variables are ... Learn Faster Practice is key to mastering coding, and the best way to put your PHP knowledge into practice is by getting practical with code. Use W3Schools Spaces to build, test and deploy code. The code editor lets you write and practice different types of computer languages. It includes PHP, but you can use it for other languages too.There are two main ways to install PHP on a Windows®-based computer: download the Windows Installer or use the Windows Zip file from the PHP Web site. Either method will get PHP working, but both have some extra steps that are needed to make PHP work well. Windows InstallerAlso, you can increase PHP’s memory limit for specific websites. One method would be to place a php.ini file in the site’s webroot. You can even set the limit for specific scriptname.php. For example using ini_set(‘memory_limit’,’256MB’). How to increase PHP memory_limit. To increase the PHP memory limit setting, edit your PHP.ini file.Validate Form Data With PHP. The first thing we will do is to pass all variables through PHP's htmlspecialchars () function. When we use the htmlspecialchars () function; then if a user tries to submit the following in a text field: - this would not be executed, because it would be saved as HTML escaped code, like this: PHP is a general-purpose scripting language geared towards web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. The PHP reference implementation is now produced by the PHP Group. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.PHP frameworks offer several benefits, making them a compelling choice for web developers. Firstly, PHP frameworks offer a structured approach to development with pre-built components, streamlining the process, accelerating project completion, and enhancing productivity. Secondly, using a PHP framework can contribute to cost savings.The PHP concatenation operator (.) is used to combine two string values to create one string. .=. Concatenation assignment. Grav 1.7.29 PHP 8.1 benchmark results: 2137.43 req/sec 🏆; PHP 8.1 is the undisputed winner with Grav, closely followed by PHP 8.0 and the rest. Being a relatively new CMS, it has a smaller market share than WordPress. Hence, it can drop support for older PHP versions quite quickly. That’s one of the most significant advantages of modern CMSs.Dec 19, 2021 · Just like any other programming language, PHP also supports various types of operations like arithmetic operations (addition, subtraction, etc), logical operations (AND, OR etc), Increment/Decrement Operations, etc. Thus, PHP provides us with many operators to perform such operations on various operands or variables, or values. Aug 1, 2023 · PHP-GTK related documentation is hosted on the PHP-GTK website. Documentation of PEAR and the various packages can be found on a separate server. You can still read a copy of the original PHP/FI 2.0 Manual on our site, which we only host for historical purposes. The same applies to the PHP 3 Manual . Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details. Select Data From a MySQL Database. The SELECT statement is used to select data from one or more tables: SELECT column_name (s) FROM table_name. or we can use the * character to select ALL columns from a table: SELECT * FROM table_name. To learn more about SQL, please visit our SQL tutorial. PHP $_GET. PHP $_GET is a PHP super global variable which is used to collect form data after submitting an HTML form with method="get". $_GET can also collect data sent in the URL. Assume we have an HTML page that contains a hyperlink with parameters:PHP tags. When PHP parses a file, it looks for opening and closing tags, which are <?php and ?> which tell PHP to start and stop interpreting the code between them. . Parsing in this manner allows PHP to be embedded in all sorts of different documents, as everything outside of a pair of opening and closing tags is ignored by the PHP parAug 2, 2010 · This package was approved as a trusted package on 30 Aug 2023. Description. PHP is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly. The PHP concatenation operator (.) is used to combine two string values to create one string. .=. Concatenation assignment.PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.Select Data From a MySQL Database. The SELECT statement is used to select data from one or more tables: SELECT column_name (s) FROM table_name. or we can use the * character to select ALL columns from a table: SELECT * FROM table_name. To learn more about SQL, please visit our SQL tutorial.Select Data From a MySQL Database. The SELECT statement is used to select data from one or more tables: SELECT column_name (s) FROM table_name. or we can use the * character to select ALL columns from a table: SELECT * FROM table_name. To learn more about SQL, please visit our SQL tutorial. Aug 1, 2023 · The simplest way to specify a string is to enclose it in single quotes (the character ' ). To specify a literal single quote, escape it with a backslash ( \ ). To specify a literal backslash, double it ( \\ ). All other instances of backslash will be treated as a literal backslash: this means that the other escape sequences you might be used to ... Aug 1, 2023 · Variables in PHP are represented by a dollar sign followed by the name of the variable. The variable name is case-sensitive. Variable names follow the same rules as other labels in PHP. A valid variable name starts with a letter or underscore, followed by any number of letters, numbers, or underscores. لغة PHP (والتي هي اختصارٌ تعاودي للعبارة PHP: Hypertext Preprocessor) هي لغةٌ مفتوحة المصدر شائعة الاستخدام لها مجال استخدامٍ عامٍ لكنها تناسب تطوير الويب ودمج لغة HTML معها. الذي يُميّز PHP عن الشيفرات التي ... If you have permission to SSH into the remote server, use the command line to check the installed PHP version. This method is also useful for checking the PHP version installed locally. 1. Type the PHP command: php -v. 2. The php -v command works on Linux, macOS, Windows, and other supported systems. Its output contains the PHP version number ...strpos () - Search For a Text Within a String. The PHP strpos () function searches for a specific text within a string. If a match is found, the function returns the character position of the first match. If no match is found, it will return FALSE. Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details. Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output.Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details. PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format.Classes should be defined before instantiation (and in some cases this is a requirement). containing the name of a class is used with , a new instance of that class will be created. If the class is in a namespace, its fully qualified name must be used when doing this. As of PHP 8.0.0, using with arbitrary expressions is supported.Create an Array in PHP. In PHP, the array () function is used to create an array: array (); In PHP, there are three types of arrays: Indexed arrays - Arrays with a numeric index. Associative arrays - Arrays with named keys. Multidimensional arrays - Arrays containing one or more arrays. May 30, 2023 · Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output. PHP is a script on the server-side used for the creation of Static or Dynamic Web sites or Web applications. PHP is a pre-processor for hypertext, which used to stand for home pages. The software used to build web applications is an open-source, server-side scripting language. We say a program designed for automated work by writing a script ...PHP is a script on the server-side used for the creation of Static or Dynamic Web sites or Web applications. PHP is a pre-processor for hypertext, which used to stand for home pages. The software used to build web applications is an open-source, server-side scripting language. We say a program designed for automated work by writing a script ...Jan 14, 2021 · Check PHP Version by Running PHP Code. The simplest method to determine the PHP version running on your website is executing a PHP file that contains the following code: <?php echo 'PHP version: ' . phpversion(); Create the file using a text editor like gedit or Notepad, and upload it to your website’s document root directory. Aug 1, 2023 · PHP 8.3.0 RC 1 available for testing. Predefined Variables. Predefined Exceptions. Predefined Interfaces and Classes. Predefined Attributes. Supported Protocols and Wrappers. Variable and Type Related Extensions. "MyClass::myFunc () ""OtherClass::myFunc () ". A class constant, class property (static), and class function (static) can all share ... Classes should be defined before instantiation (and in some cases this is a requirement). containing the name of a class is used with , a new instance of that class will be created. If the class is in a namespace, its fully qualified name must be used when doing this. As of PHP 8.0.0, using with arbitrary expressions is supported.Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures FunctionsMySQL is a database system used on the web. MySQL is a database system that runs on a server. MySQL is ideal for both small and large applications. MySQL is very fast, reliable, and easy to use. MySQL uses standard SQL. MySQL compiles on a number of platforms. MySQL is free to download and use. MySQL is developed, distributed, and supported by ...The PHP concatenation operator (.) is used to combine two string values to create one string. .=. Concatenation assignment.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...PHP Version: 4+ PHP Changelog: PHP 7.2: The headers parameter also accepts an array PHP 5.4: Added header injection protection for the headers parameter. PHP 4.3.0: (Windows only) All custom headers (like From, Cc, Bcc and Date) are supported, and are not case-sensitive. PHP 4.2.3: The parameter parameter is disabled in safe mode Mar 20, 2013 · If you find that when you restart your computer, this solution will not work anymore: Set the Path like as following: Step 1 - Click on the Windows icon. Step 2 - Click on the Settings icon. Step 3 - Click on System. Step 4 - Click on About. Step 5 - Click on System info. Step 6 - Click on Advanced system settings. Validate Form Data With PHP. The first thing we will do is to pass all variables through PHP's htmlspecialchars () function. When we use the htmlspecialchars () function; then if a user tries to submit the following in a text field: - this would not be executed, because it would be saved as HTML escaped code, like this: Aug 1, 2023 · The simplest way to specify a string is to enclose it in single quotes (the character ' ). To specify a literal single quote, escape it with a backslash ( \ ). To specify a literal backslash, double it ( \\ ). All other instances of backslash will be treated as a literal backslash: this means that the other escape sequences you might be used to ... PHP: PHP 8.0.0 Release Announcement. PHP 8.1.23 Released! Change language: Released! PHP 8.0 is a major update of the PHP language. It contains many new features and optimizations including named arguments, union types, attributes, constructor property promotion, match expression, nullsafe operator, JIT, and improvements in the type system ... The PHP concatenation operator (.) is used to combine two string values to create one string. .=. Concatenation assignment.
This package was approved as a trusted package on 30 Aug 2023. Description. PHP is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly.. Zepe 19
strpos () - Search For a Text Within a String. The PHP strpos () function searches for a specific text within a string. If a match is found, the function returns the character position of the first match. If no match is found, it will return FALSE.Assignment Operators. ¶. The basic assignment operator is "=". Your first inclination might be to think of this as "equal to". Don't. It really means that the left operand gets set to the value of the expression on the right (that is, "gets set to"). The value of an assignment expression is the value assigned.There are two main ways to install PHP on a Windows®-based computer: download the Windows Installer or use the Windows Zip file from the PHP Web site. Either method will get PHP working, but both have some extra steps that are needed to make PHP work well. Windows InstallerThis PHP formatter allows you to make your code readable so you can edit it in a more simple fashion. Autodetect HTML XML CSS JavaScript PHP JSON. xxxxxxxxxx. 1. Tab size.W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. PHP tags. When PHP parses a file, it looks for opening and closing tags, which are <?php and ?> which tell PHP to start and stop interpreting the code between them. . Parsing in this manner allows PHP to be embedded in all sorts of different documents, as everything outside of a pair of opening and closing tags is ignored by the PHP parThere are two string operators. The first is the concatenation operator ('.'), which returns the concatenation of its right and left arguments. The second is the concatenating assignment operator (' .= '), which appends the argument on the right side to the argument on the left side. Please read Assignment Operators for more information.May 30, 2023 · Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output. Sep 28, 2020 · A PHP framework is a platform to create PHP web applications. PHP frameworks provide code libraries for commonly used functions, cutting down on the amount of original code you need to write. There are many good reasons for using PHP frameworks as opposed to coding from scratch. Because PHP frameworks have built-in libraries and tools, the time ... Apr 24, 2023 · PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Step 1- Create a HTML PHP Login Form. Step 2: Create a CSS Code for Website Design. View More. In today's digital age, the importance of online security cannot be ignored. As a result, creating a login form is an essential feature for any website that requires user authentication. The following is a guide on creating a login form in PHP.PHP is a general-purpose scripting language geared towards web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. The PHP reference implementation is now produced by the PHP Group. PHP User Defined Functions. Besides the built-in PHP functions, it is possible to create your own functions. A function is a block of statements that can be used repeatedly in a program. A function will not execute automatically when a page loads. A function will be executed by a call to the function.Example Get your own PHP Server. When the user fills out the form above and clicks the submit button, the form data is sent for processing to a PHP file named "welcome.php". The form data is sent with the HTTP POST method. To display the submitted data you could simply echo all the variables. The "welcome.php" looks like this: PHP Variables. A variable can have a short name (like x and y) or a more descriptive name (age, carname, total_volume). A variable starts with the $ sign, followed by the name of the variable. A variable name must start with a letter or the underscore character. A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9 ...Jun 17, 2022 · PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and participated in the later versions. It is an interpreted language and ... Assignment Operators. ¶. The basic assignment operator is "=". Your first inclination might be to think of this as "equal to". Don't. It really means that the left operand gets set to the value of the expression on the right (that is, "gets set to"). The value of an assignment expression is the value assigned..